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tailscale/wgengine
Denton Gentry 1dd2552032 wgengine: actively log FlushDNS.
Intended to help in resolving customer issue with
DNS caching.

We currently exec `ipconfig /flushdns` from two
places:
- SetDNS(), which logs before invoking
- here in router_windows, which doesn't

We'd like to see a positive indication in logs that flushdns
is being run.

As this log is expected to be spammy, it is proposed to
leave this in just long enough to do an unstable 1.13.x build
and then revert it. They won't run an unsigned image that
I build.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago
..
bench wgengine: randomize client port if netmap says to 3 years ago
filter tstime/rate: new package 3 years ago
magicsock wgengine/magicsock: move debug knobs to their own file, compile out on iOS 3 years ago
monitor all: gofmt with Go 1.17 3 years ago
netstack wgengine/netstack: implement UDP relaying to advertised subnets 3 years ago
router wgengine: actively log FlushDNS. 3 years ago
wgcfg wgcfg: Switch to using mem.RO 3 years ago
wglog wgengine/wglog: match upstream wireguard-go's code for wireguardGoString 4 years ago
winnet wgengine/winnet: don't build on non-windows 4 years ago
mem_ios.go go.mod: upgrade wireguard-windows, de-fork wireguard-go 4 years ago
pendopen.go wgengine/magicsock: use mono.Time 3 years ago
userspace.go wgengine: predict min.Peers length across calls 3 years ago
userspace_ext_test.go go.mod: upgrade wireguard-windows, de-fork wireguard-go 4 years ago
userspace_test.go wgengine: use mono.Time 3 years ago
watchdog.go wgengine: randomize client port if netmap says to 3 years ago
watchdog_test.go wgengine: extend TestWatchdog timeout on macOS 4 years ago
wgengine.go wgengine: randomize client port if netmap says to 3 years ago